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  <title>Document</title>
  <style>
    a {
      display: block;
      text-decoration: none;
      width: 230px;
      height: 40px;
      line-height: 40px;
      background-color: #55585a;
      color: #ffffff;
      padding-left: 30px;
      
    }
    a:hover {
      background-color: coral;
    }
  </style>
</head>
<body>
  <a href="#">手机 电话卡</a>
  <a href="#">电视 盒子</a>
  <a href="#">笔记本 平板</a>
  <a href="#">出行 穿戴</a>
  <a href="#">智能 路由器</a>
  <a href="#">健康 儿童</a>
  <a href="#">耳机 音箱</a>
</body>
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